TTGO LoRa32 SX1276 OLED Dev Board
TTGO LoRa32 SX1276 overview
The TTGO LoRa32 SX1276 is an OLED Dev Board made by Espressif Systems. Main ratings: CPU Xtensa 32-Bit LX6 Dual Core; Clock from 80 to 240 MHz; ROM Memory 448 KB; SRAM Memory 520 Kb. This page brings together the TTGO LoRa32 SX1276 pinout and key specifications, with the full datasheet PDF to preview below or download.
The TTGO LoRa32 SX1276 OLED is an ESP32 development board with a built-in LoRa chip and an SSD1306 0.96 inch OLED display. It is a powerful, high-performance, general-purpose module with an embedded microcontroller core and support for Wi-Fi + BT communication standards, designed for a wide range of power-saving applications. The module fully meets the requirements of such tasks as voice transmission, audio streaming, Low-Power (LP) networking, and streaming MP3 audio.
TTGO LoRa32 SX1276 OLED board features several GPIOs to connect peripherals, PRG (BOOT) and RST buttons, and a lithium battery connector. TTGO LoRa32 uses unlicensed frequencies that are available worldwide. Because these bands are unlicensed, anyone can freely use them without paying or having to get a license.
Key specifications
Datasheet
TTGO LoRa32 SX1276 features
- Supply voltage: 3.3V DC to 7V DC
- Xtensa 32 Bit LX6 Dual Core
- SRAM: 520 KB
- Flash memory: 32 MB
- Built-in Wi-Fi
- Built-in Bluetooth
- Built-in 1.14 inch (240x135) TFT (IPS) display (ST7789)
- Built-in push button
- PCB dimensions: 51.4 x 25.2mm
TTGO LoRa32 SX1276 pinout
| Pin | Name | Description |
|---|---|---|
| 1 | 16 | GPIO16 |
| 2 | 17 | GPIO17 |
| 3 | 4 | GPIO04/ADC2_0/HSPI_HD |
| 4 | 2 | GPIO02/ADC2_2/HSPI_WP |
| 5 | 15 | GPIO15/ADC2_3/HSPI_CSO |
| 6 | 5 | GPIO05/VSPL_SS |
| 7 | 18 | GPIO18/VSPI_SCK |
| 8 | 23 | GPIO23/VSPI_MOSI |
| 9 | 19 | GPIO19/VSPI_MISO |
| 10 | 22 | SCL/GPIO22 |
| 11 | 0 | GPIO 0/ADC2_1/TOUCHI |
| 12 | EN | Enable Pin |
| 13 | TX | TXD/CLX3/GPI001/UO_TXD |
| 14 | RX | RXD/CLX2/GPI03/UO_RXD |
| 15 | GND | Ground Pin |
| 16 | 3V3 | Chip Supply Voltage 3.3V |
| 17 | 5V | Chip Supply Voltage 5V |
| 18 | GND | Ground Pin |
| 19 | GND | Ground Pin |
| 20 | 5V | Chip Supply Voltage 5V |
| 21 | 3V3 | Chip Supply Voltage 3.3V |
| 22 | 36 | S_VP/GPI0 36/ADC1_0* |
| 23 | 37 | GPI0 37 |
| 24 | 38 | GPIO 38 |
Show all 36 pins
| Pin | Name | Description |
|---|---|---|
| 26 | 39 | S_VN/GPIO 39/ADC1_3* |
| 27 | 34 | GPIO34/ADC1_6* |
| 28 | 35 | GPIO35/ADC1_7* |
| 29 | 32 | GPIO32/ADC1_5/Touch 9 |
| 30 | 33 | GPI033/ADC1_4/Touch 8 |
| 31 | 25 | GPIO25/ADC2_8*/DAC 2 |
| 32 | 26 | GPIO26/ADC2_9*/DAC 1 |
| 33 | 27 | GPIO27/ADC2_7*/Touch 7 |
| 34 | 14 | GPIO14/ADC2_6*/Touch 6 |
| 35 | 12 | GPIO12/ADC2_5/Touch 5 |
| 36 | 13 | GPIO13/ADC2_4/Touch 4 |
| 37 | 21 | SDA/GPIO21/V_SPI_HD |
TTGO LoRa32 SX1276 specifications
| CPU | Xtensa 32-Bit LX6 Dual Core |
|---|---|
| Clock | from 80 to 240 MHz |
| ROM Memory | 448 KB |
| SRAM Memory | 520 Kb |
| Flash Memory | 32 MB |
| Interface | SD, UART (3 ch), SPI (3 ch), SDIO, I2C (2 ch), I2S (2 ch), IR LED PWM (2 ch) and PWM (3 ch); |
| GPIO | Digital IO (36), ADC 12 bit (16 ch), DAC 8 bit (2 ch), capacitive sensor (10 ch); LNA; |
| Data TX | 150 Mbps @ 11n HT40., 72 Mbps @ 11n HT20, 54 Mbps @ 11g, 11 Mbps @ 11b |
| TX power | 19,5dBm @ 11b, 16,5 dBm @ 11g, 15,5 dBm @ 11n |
| Sensibility | -98dBm |
| Display OLED | blue 0,96” SSD1306 |
| Freq | 868 MHz |
| Modulation | FSK, GFSK, MSK, GMSK, LoRa TM, OOK |
| Sensibility | -139dBm |
| Power | 3.3 V to 7 V |
TTGO LoRa32 SX1276 applications
- Home Automation projects
- Robotics
- Smart DIY Projects
- Temperature and moisture monitoring
- Point to point communication
- Smart consumer electronics
- Security Systems
- Intelligent Industrial applications
- Smart Agriculture
- Low-Power (LP) networking
- Rapid prototyping
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